Method of testing pulse delay time

Details Method of testing pulse delay time Method of testing pulse delay time

1979-05-10

1981-04-21

Krawczewicz, Stanley T.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

307269, 328131, 324 57DE, 368107, G01R 2700

Patent

active

042635454

ABSTRACT:
An AC test is disclosed which measures a time from the application of an input pulse on an input terminal of a circuit under consideration to the appearance of an output pulse on an output terminal of the circuit. The input terminal of the circuit is connected with an input driver through a first relay and connected with a pulse generator through a second relay. The opening-closing sequence of the first and second relays is selected such that the input terminal of the circuit is connected with at least one of the pulse generator and the input driver during a status setting of the circuit and during the application of the pulse. As a result, the occurrence of noises at the time of change-over operation between the pulse generator and the input driver is suppressed.

REFERENCES:
patent: 2337540 (1943-12-01), Burgess
patent: 2746013 (1956-05-01), Mertz
patent: 2889515 (1959-06-01), Murphy
patent: 2915700 (1959-12-01), Cartwright
patent: 3505593 (1970-04-01), Gram et al.
patent: 4168526 (1979-09-01), Auer, Jr. et al.
Deckert, Circuit Response Time Tester, IBM Technical Disclosure Bulletin, Apr. 1972, p. 3330.

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